Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 8 20.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/22/2025   09:51:47   (  78.03,  32.44) 08/22/2025   09:52:05  (  78.04,  32.36)    1.83                18
 08/22/2025   10:42:30   ( -78.01,-160.10) 08/22/2025   10:41:26  ( -77.99,-160.18)    2.94                64
 08/24/2025   20:13:14   ( -78.07,  56.94) 08/24/2025   20:13:42  ( -78.08,  57.10)    3.91                28
 08/24/2025   21:03:59   (  78.04,-135.57) 08/24/2025   21:03:01  (  78.04,-135.39)    4.20                58
 08/27/2025   06:34:41   (  78.07,  81.65) 08/27/2025   06:35:17  (  78.07,  81.60)    1.12                36
 08/27/2025   07:25:24   ( -78.04,-110.87) 08/27/2025   07:24:38  ( -78.04,-110.88)    0.44                46
 08/29/2025   16:56:08   ( -78.11, 106.14) 08/29/2025   16:56:54  ( -78.10, 106.29)    3.61                46
 08/29/2025   17:46:52   (  78.04, -86.18) 08/29/2025   17:46:13  (  78.05, -86.27)    2.14                39
 09/01/2025   03:17:36   (  78.12, 130.79) 09/01/2025   03:18:29  (  78.09, 130.80)    2.89                53